Universal Licensing System
WPTJ597
SAN MATEO, COUNTY OF
License details
| ULS identifier | 2357298 |
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| Call sign | WPTJ597 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2021-07-28 |
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| Expiration | 2031-10-16 |
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| Frequency range | 19475 - 19680 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | San Carlos, SAN MATEO, CA |
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| Coordinates | 37.5065833, -122.2621667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:07 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 19475.00000000 | | | | | |
| 1 | 2 | FXO | 19475.00000000 | | | | | |
| 1 | 2 | FXO | 19475.00000000 | | | | | |
| 1 | 2 | FXO | 19475.00000000 | | | | | |
| 1 | 2 | FXO | 19475.00000000 | | | | | |
| 1 | 1 | FXO | 19680.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 19475.00000000 | | 10M0D7W |
| 1 | 2 | 19475.00000000 | | 10M0D7W |
| 1 | 2 | 19475.00000000 | | 10M0D7W |
| 1 | 2 | 19475.00000000 | | 10M0D7W |
| 1 | 2 | 19475.00000000 | | 10M0G7W |
| 1 | 1 | 19680.00000000 | | 40M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1250 San Carlos Avenue, San Carlos, SAN MATEO, CA | 37.50658333, -122.26216667 | 9.100 m | BPIPE | 18.300 m structure / 20.400 m overall | N |
| 2 | R | | 37.48825000, -122.23050000 | 3.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew Corporation VP2-180A | | V | 38.9000 | 126.0000 | | |
| 1 | 2 | R | Andrew Corporation VP2-180A | | | 38.9000 | | | |
| 2 | 1 | T | Commscope SHPX2-18B | | V | 38.9000 | 126.0000 | | |
| 2 | 2 | R | Commscope SHPX2-18B | | | 38.9000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-29 | WPTJ597 | LIAUA |
| 2023-06-29 | WPTJ597 | LIMOD |
| 2021-07-28 | WPTJ597 | LIREN |
| 2011-07-23 | WPTJ597 | LIREN |
| 2011-07-18 | WPTJ597 | ESURNW |
| 2003-01-13 | WPTJ597 | LETCNS |
| 2002-02-21 | WPTJ597 | LIMOD |
| 2001-10-16 | WPTJ597 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2357298 | 2026-08-02 02:48:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPTJ597 | ULS 2357298 | 2026-08-02 02:48:07 |
| Status | A | ULS 2357298 | 2026-08-02 02:48:07 |
| Service | MW | ULS 2357298 | 2026-08-02 02:48:07 |
| Grant Date | 2021-07-28 | ULS 2357298 | 2026-08-02 02:48:07 |
| Expiration Date | 2031-10-16 | ULS 2357298 | 2026-08-02 02:48:07 |